Home / 38,559.46-53,211.68-21,563.51

Finding the Fourth Proportional to 38,559.46, 53,211.68 and 21,563.51

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Solution

The fourth proportional to 38,559.46, 53,211.68 and 21,563.51 is: 29,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.46 : 53,211.68 = 21,563.51 : x
  2. Step 2: Convert to fraction form
    38,559.46/53,211.68 = 21,563.51/x
  3. Step 3: Cross multiply
    38,559.46x = 53,211.68 × 21,563.51
  4. Step 4: Simplify right side
    38,559.46x = 1,147,430,593.80
  5. Step 5: Solve for x
    x = 1,147,430,593.80/38,559.46
  6. Step 6: Final answer
    x = 29,757.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.